diff --git a/test/Scripts/count b/test/Scripts/count
new file mode 100755
index 00000000000..cc0355208b7
--- /dev/null
+++ b/test/Scripts/count
@@ -0,0 +1,17 @@
+#!/bin/sh
+#
+# Program: count
+#
+# Synopsis: Count the number of lines of input on stdin and test that it
+#           matches the specified number.
+#
+# Syntax:   count <number>
+
+set -e
+set -u
+input_lines=$(wc -l)
+if [ "$input_lines" -ne "$1" ]; then
+  echo "count: expected $1 lines and got ${input_lines}."
+  exit 1
+fi
+exit 0